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ipv4: eliminate lock count warnings in ping.c

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Add lock release/acquire annotations to ping_seq_start() and
ping_seq_stop() to satisfy sparse.

Signed-off-by: Lance Richardson <lrichard@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Lance Richardson 2016-01-06 17:22:47 -05:00 committed by David S. Miller
parent 0797cbd8e2
commit ad64b8be71
1 changed files with 2 additions and 0 deletions
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net/ipv4/ping.c
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@ -1063,6 +1063,7 @@ static struct sock *ping_get_idx(struct seq_file *seq, loff_t pos)
}
void *ping_seq_start(struct seq_file *seq, loff_t *pos, sa_family_t family)
__acquires(ping_table.lock)
{
struct ping_iter_state *state = seq->private;
state->bucket = 0;
@ -1094,6 +1095,7 @@ void *ping_seq_next(struct seq_file *seq, void *v, loff_t *pos)
EXPORT_SYMBOL_GPL(ping_seq_next);
void ping_seq_stop(struct seq_file *seq, void *v)
__releases(ping_table.lock)
{
read_unlock_bh(&ping_table.lock);
}